Add summary text to UTAAC finder
Add summary text to UTAAC finder

MOJ have requested some summary text to link back to earlier cases.

This appears as per the summary in [Countryside stewardship grants](https://github.com/alphagov/specialist-publisher/blob/1b478ee8521f66b1aafead29bef100cf9095fab3/lib/documents/schemas/countryside_stewardship_grants.json#L18)
which is shown at the [top of the finder](https://www.gov.uk/countryside-stewardship-grants)

We'll be publishing the UTAAC finder imminently.

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